$100+ Cheap flights from Pennsylvania to Idaho
This is the cheapest round-trip flight price found by a Cheapflights user in the last 72 hours by searching for a flight departing on 10/6. Fares are subject to change and may not be available on all flights or dates of travel.
PHL — BOI
Oct 17 — Oct 241
Round-trip
1 adult, Economy
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Enter your travel information like dates, passengers, trip type (one-way or round trip), and preferred cabin class then click “Find deals”2. Select your favorite providers
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Cheapest flights from Pennsylvania to IdahoExplore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
Explore the most affordable flight options available from Pennsylvania to Idaho. Find the lowest fares from popular airlines and budget airlines, with prices last updated on September 17, 2026.
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop9h 55m
Mon 10/192:50 pm -
1 stop13h 30m
Deal found 9/16![Frontier logo]()
$176
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:13 am -
1 stop6h 29m
Sat 10/178:59 am -
1 stop9h 07m
Deal found 9/16![Delta logo]()
$201
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:00 am -
1 stop8h 24m
Sat 10/242:41 pm -
1 stop7h 18m
Deal found 9/16![American Airlines logo]()
$201
This SmartFares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:23 pm -
1 stop9h 36m
Sat 10/316:43 am -
1 stop9h 16m
Deal found 9/16![Alaska Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:55 am -
1 stop8h 38m
Sat 10/311:06 pm -
1 stop8h 34m
Deal found 9/16![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/118:00 am -
2 stops9h 10m
Wed 11/181:05 pm -
2 stops7h 05m
Deal found 9/14![Southwest logo]()
$211
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:10 pm -
2 stops10h 05m
Sat 10/316:00 am -
1 stop12h 40m
Deal found 9/16![Southwest logo]()
$212
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/95:00 am -
1 stop8h 25m
Tue 11/171:24 pm -
1 stop7h 05m
Deal found 9/14![American Airlines logo]()
$214
This Southwest deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Mon 11/96:40 pm -
1 stop8h 50m
Tue 11/176:20 am -
1 stop8h 25m
Deal found 9/13![Southwest logo]()
$215
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:00 am -
1 stop9h 39m
Mon 11/167:17 pm -
1 stop9h 43m
Deal found 9/16![Delta logo]()
$216
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:13 am -
1 stop9h 06m
Sat 10/107:05 am -
1 stop10h 01m
Deal found 9/15![Delta logo]()
$221
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop11h 59m
Sat 10/317:00 am -
2 stops9h 20m
Deal found 9/15![American Airlines logo]()
$221
Best flights from Pennsylvania to IdahoDiscover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
Discover carefully curated flight deals from Pennsylvania to Idaho that have cost, travel time, and layovers in mind to ensure you get the best travel experience. Data last updated September 17, 2026.
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 2/207:05 am -
1 stop10h 40m
Sat 2/271:30 pm -
1 stop7h 16m
Deal found 9/15![Delta logo]()
$221
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:10 pm -
2 stops10h 05m
Sat 10/318:10 am -
2 stops8h 05m
Deal found 9/16![Southwest logo]()
$330
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/196:25 am -
1 stop7h 06m
Sun 11/2212:31 pm -
1 stop8h 12m
Deal found 9/14![United Airlines logo]()
$347
This Alaska Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:30 pm -
1 stop9h 29m
Wed 12/21:00 pm -
1 stop7h 59m
Deal found 9/12![Alaska Airlines logo]()
$401
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 12/117:10 am -
1 stop10h 54m
Wed 12/166:45 pm -
1 stop9h 38m
Deal found 9/16![Delta logo]()
$229
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/223:35 pm -
1 stop9h 29m
Fri 10/303:00 pm -
1 stop6h 59m
Deal found 9/16![Delta logo]()
$242
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/318:20 am -
2 stops12h 05m
Tue 11/35:45 am -
2 stops11h 10m
Deal found 9/16![Southwest logo]()
$330
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/167:26 am -
1 stop7h 48m
Wed 12/301:49 pm -
1 stop7h 04m
Deal found 9/15![Delta logo]()
$288
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:10 am -
1 stop8h 29m
Tue 10/201:38 pm -
1 stop6h 47m
Deal found 9/15![United Airlines logo]()
$356
This United Airlines deal was found by Cheapflights users on 9/12. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 12/98:22 am -
1 stop7h 21m
Tue 12/157:00 am -
1 stop7h 32m
Deal found 9/12![United Airlines logo]()
$357
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/116:58 pm -
1 stop6h 58m
Wed 11/181:14 pm -
1 stop8h 33m
Deal found 9/13![Delta logo]()
$315
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:30 am -
1 stop6h 58m
Wed 10/2112:26 pm -
1 stop8h 26m
Deal found 9/14![United Airlines logo]()
$360
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/244:30 pm -
1 stop9h 29m
Thu 11/269:02 am -
1 stop8h 13m
Deal found 9/14![Alaska Airlines logo]()
$442
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/37:23 am -
1 stop7h 12m
Wed 11/48:59 am -
1 stop9h 07m
Deal found 9/14![Delta logo]()
$315
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 11/107:00 am -
1 stop7h 19m
Tue 11/173:00 pm -
1 stop6h 21m
Deal found 9/13![Delta logo]()
$315
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/203:10 pm -
2 stops9h 10m
Sat 10/248:20 am -
2 stops7h 40m
Deal found 9/16![Southwest logo]()
$480
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 9/299:45 am -
1 stop11h 46m
Fri 10/21:38 pm -
1 stop6h 47m
Deal found 9/16![United Airlines logo]()
$405
This Alaska Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 11/47:00 am -
1 stop29h 51m
Sun 11/811:33 am -
1 stop10h 26m
Deal found 9/14![Alaska Airlines logo]()
$512
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/2311:55 am -
1 stop8h 38m
Sun 11/11:40 pm -
1 stop9h 19m
Deal found 9/16![Delta logo]()
$321
This Southwest deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
2 stops11h 10m
Thu 10/2212:00 pm -
2 stops8h 55m
Deal found 9/15![Southwest logo]()
$485
This United Airlines deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 9/264:12 pm -
1 stop7h 37m
Tue 9/291:05 pm -
1 stop9h 08m
Deal found 9/13![United Airlines logo]()
$405
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 11/2011:14 am -
1 stop9h 23m
Thu 11/268:59 am -
1 stop9h 10m
Deal found 9/14![Delta logo]()
$336
This United Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/143:27 pm -
1 stop7h 48m
Wed 10/212:38 pm -
1 stop6h 51m
Deal found 9/14![United Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:13 am -
1 stop6h 29m
Sun 11/11:40 pm -
1 stop9h 02m
Deal found 9/13![Delta logo]()
$339
This United Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/237:29 am -
1 stop8h 24m
Wed 10/282:34 pm -
1 stop6h 41m
Deal found 9/16![United Airlines logo]()
$451
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 11/197:00 am -
1 stop11h 05m
Sun 11/2211:10 pm -
1 stop7h 59m
Deal found 9/15![Delta logo]()
$349
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/72:00 pm -
2 stops11h 59m
Fri 10/1611:10 pm -
1 stop8h 00m
Deal found 9/16![Delta logo]()
$350
This United Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure United Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/286:00 am -
2 stops14h 03m
Sun 11/112:31 pm -
1 stop8h 12m
Deal found 9/15![United Airlines logo]()
$489
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:13 am -
1 stop6h 29m
Sat 10/175:59 pm -
2 stops15h 51m
Deal found 9/16![Delta logo]()
$352
This Delta deal was found by Cheapflights users on 9/13. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:05 am -
1 stop10h 45m
Tue 10/209:30 am -
1 stop10h 19m
Deal found 9/13![Delta logo]()
$356
Last-minute flights from Pennsylvania to IdahoDiscover last-minute flight deals from Pennsylvania to Idaho. Data last updated September 17, 2026 and is based on user searches.
Discover last-minute flight deals from Pennsylvania to Idaho. Data last updated September 17, 2026 and is based on user searches.
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:13 am -
1 stop9h 06m
Sat 10/107:05 am -
1 stop10h 01m
Deal found 9/15![Delta logo]()
$221
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/76:13 am -
1 stop6h 29m
Fri 10/1611:10 pm -
1 stop9h 00m
Deal found 9/16![Delta logo]()
$226
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/106:13 am -
1 stop6h 29m
Sat 10/178:59 am -
1 stop9h 07m
Deal found 9/16![Delta logo]()
$201
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/147:00 am -
1 stop9h 47m
Mon 10/197:13 pm -
1 stop9h 58m
Deal found 9/16![Delta logo]()
$216
This Frontier deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Frontier is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/156:00 am -
1 stop9h 55m
Mon 10/192:50 pm -
1 stop13h 30m
Deal found 9/16![Frontier logo]()
$176
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/157:45 am -
1 stop8h 48m
Mon 10/193:24 pm -
1 stop6h 35m
Deal found 9/15![American Airlines logo]()
$227
This American Airlines deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/205:00 am -
1 stop8h 24m
Sat 10/242:41 pm -
1 stop7h 18m
Deal found 9/16![American Airlines logo]()
$201
This SmartFares deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure SmartFares is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:23 pm -
1 stop9h 36m
Sat 10/316:43 am -
1 stop9h 16m
Deal found 9/16![Alaska Airlines logo]()
$202
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/2411:55 am -
1 stop8h 38m
Sat 10/311:06 pm -
1 stop8h 34m
Deal found 9/16![Delta logo]()
$203
This Southwest deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/273:10 pm -
2 stops10h 05m
Sat 10/316:00 am -
1 stop12h 40m
Deal found 9/16![Southwest logo]()
$212
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Wed 10/288:41 am -
1 stop7h 52m
Fri 10/3012:14 pm -
1 stop9h 45m
Deal found 9/15![American Airlines logo]()
$226
This American Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/297:00 am -
1 stop11h 59m
Sat 10/317:00 am -
2 stops9h 20m
Deal found 9/15![American Airlines logo]()
$221
One-way flights from Pennsylvania to IdahoSearch for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
Search for one-way flight options from Pennsylvania to Idaho. Find affordable one-way fares based on user searches. Data last updated September 17, 2026.
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/63:08 pm -
1 stop9h 21m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$100
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/66:59 am -
1 stop8h 52m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$100
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/207:05 am -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$101
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:05 am -
1 stop8h 30m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$101
This Delta deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/277:00 am -
1 stop9h 47m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Delta logo]()
$102
This Southwest deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Southwest is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Tue 10/64:50 pm -
2 stops9h 05m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Southwest logo]()
$106
This Delta deal was found by Cheapflights users on 9/16. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 10/176:00 am -
1 stop8h 50m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/16![Delta logo]()
$111
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/227:05 am -
1 stop10h 15m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$114
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Thu 10/224:45 pm -
1 stop9h 14m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$114
This Alaska Airlines deal was found by Cheapflights users on 9/15. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Alaska Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Sat 12/127:00 am -
1 stop10h 26m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/15![Alaska Airlines logo]()
$115
This Delta deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure Delta is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/236:59 pm -
1 stop7h 00m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![Delta logo]()
$126
This American Airlines deal was found by Cheapflights users on 9/14. Clicking the “Pick Dates” button in this card will allow you to select your dates and further customize your flight criteria. From there, click “Find deals”, make sure American Airlines is selected, and click “Compare selected” under the list of providers to see comparable flight deals.
Fri 10/167:45 am -
1 stop8h 48m
Wed 12/3112:00 am -
Nonstop0h 00m
Deal found 9/14![American Airlines logo]()
$126
Find flight deals from Pennsylvania to Idaho
Keep the following information in mind while searching for Pennsylvania to Idaho flight deals. Data was last updated September 17, 2026.
Most accurate provider | FlightHub 3 stars |
|---|---|
Most trusted provider | FlightHub 3 stars |
Round-trip from | $176 (Frontier) |
One-way from | $100 (American Airlines) |
Popular in | November |
Cheapest in | April |
Average price | $547 |
Cheapflights Fare Finder
Customize your flight search to find flights from Pennsylvania to Idaho that fit within your specific budget. Explore options based on user searches and filter the results based on your desired price range. Find flights that match your budget for a cost-effective journey. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
Use the filters below to find and compare flights from Pennsylvania to Idaho that are best for you.
Fly from
Fly to
Route
Depart
Return
Cheapest round-trip
Washington, D.C.Boise
IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld
IADBOI
Washington, D.C. Dulles Intl
Tue 10/20
7:05 am-3:20 pm
1 stop10h 15m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$101
Washington, D.C.Boise
IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld
IADBOI
Washington, D.C. Dulles Intl
Tue 12/8
7:18 am-1:51 pm
1 stop8h 33m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$101
Washington, D.C.Boise
IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld
IADBOI
Washington, D.C. Dulles Intl
Sat 10/10
6:13 am-10:42 am
1 stop6h 29m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$101
Washington, D.C.Boise
DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld
DCABOI
Washington, D.C. Reagan-National
Tue 12/8
6:59 pm-12:10 am
1 stop7h 11m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$101
Washington, D.C.Boise
DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld
DCABOI
Washington, D.C. Reagan-National
Wed 10/21
6:05 am-12:35 pm
1 stop8h 30m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$101
Washington, D.C.Spokane
IAD Washington, D.C. Dulles Intl - GEG Spokane
IADGEG
Washington, D.C. Dulles Intl
Sat 2/6
11:45 am-5:10 pm
1 stop8h 25m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$111
Washington, D.C.Boise
IAD Washington, D.C. Dulles Intl - BOI Boise Air Term. Gowen Fld
IADBOI
Washington, D.C. Dulles Intl
Fri 10/23
6:59 pm-11:59 pm
1 stop7h 00m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$126
Washington, D.C.Boise
DCA Washington, D.C. Reagan-National - BOI Boise Air Term. Gowen Fld
DCABOI
Washington, D.C. Reagan-National
Fri 10/23
4:45 pm-11:59 pm
1 stop9h 14m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$126
New YorkBoise
JFK New York John F Kennedy Intl - BOI Boise Air Term. Gowen Fld
JFKBOI
New York John F Kennedy Intl
Wed 10/14
11:55 am-6:33 pm
1 stop8h 38m
Boise Air Term. Gowen Fld
Wed 12/31
12:00 am-2:00 am
Nonstop0h 00m
$126
Washington, D.C.Spokane
IAD Washington, D.C. Dulles Intl - GEG Spokane
IADGEG
Washington, D.C. Dulles Intl
Mon 10/19
6:00 am-11:50 am
1 stop8h 50m
Spokane
Wed 12/31
12:00 am-3:00 am
Nonstop0h 00m
$126
Showing 1-10 of 60 resultsSorted by cheapest first
Best time to book a flight from Pennsylvania to Idaho
Have a flexible travel schedule? Discover the best time to fly to Idaho from Pennsylvania with our price prediction graph.
IAD-BOI
DCA-BOI
JFK-BOI
IAD-GEG
EWR-SUN
Estimated round-trip price
Rates are based on past data. Find the cheapest month and day to book your flight based on your travel requirements, then search for cheap deals.
Cheapflights Insights
Everything you need to know about your flight from Pennsylvania to Idaho
USPA-USID
IAD-BOI
DCA-BOI
JFK-BOI
IAD-GEG
What is the cheapest month to book a flight from Pennsylvania to Idaho?
Currently, January is the cheapest month in which you can book a flight from Pennsylvania to Idaho (average of $365). Flying from Pennsylvania to Idaho in December is currently the most expensive (average of $591). There are several factors that can impact the price of a flight, so comparing airlines, departure airports and flight times can provide users with more options.
How much does it cost to fly round-trip from Pennsylvania to Idaho?
Airfare is below average for this route at the moment.
Pennsylvania to Idaho flights typically cost between $417 and $756 in October.The cheapest round-trip price found within the last 5 days was $207 on Delta (Oct 14-Oct 17).
How far ahead should I book a flight from Pennsylvania to Idaho?
The price you pay for your flight from Pennsylvania to Idaho may vary depending on when you book. For the best chance of a lower fare, look to book 80 days in advance of your trip. Fares are likely to increase a fortnight or so before your departure date.
Reviews of airlines servicing Idaho
Get insights into the airlines that provide service to Idaho. Read reviews, discover amenities, and learn about the overall travel experience offered by airlines. Use this information to make informed decisions when choosing an airline for your flight to Idaho. Reviews last updated September 17, 2026.
Read through reviews of airlines operating flights from Pennsylvania to Idaho, such as Southwest,Delta, andUnited Airlines. Users can see the overall rating for each airline as well as how each is rated in terms of entertainment options, comfort, food, crew/service, and boarding process.
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Food
7.0
Comfort
8.0
Overall
8.0
Boarding
8.1
Crew
8.6
Entertainment
7.5
Reviews
1 / 20
4.0
OkaySteven,Sep 2026
OGG - HNL
Related info for your journey
Find useful and relevant information for your journey from Pennsylvania to Idaho. Access travel guides, tips, and recommendations to enhance your travel experience. Get information about local attractions, weather, transportation options, and more.
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Alternative routes for Pennsylvania to Idaho
See prices for flight routes from nearby airports that may be better suited for you.
Complete your trip
Complete your trip to Idaho by adding a car rental and/or hotel reservation to your travel itinerary.
Search flights from Pennsylvania to Idaho by cabin class
Find flights from Pennsylvania to Idaho, based on your preferred cabin class, be it economy, premium economy, business, or first class.
Pennsylvania and Idaho flights
Browse other Pennsylvania and Idaho flight options. Last updated on September 17, 2026.
Popular flight searches
Check out other popular destinations found by fellow travelers in 2026
Find a return flight route from Idaho
Find the right flight back to Pennsylvania after your stay in Idaho
Pennsylvania to Idaho flights
Consider these flights traveling from Pennsylvania to Idaho.
Top 4 airlines flying from Pennsylvania to Idaho
Discover the top 4 airlines that operate flights from Pennsylvania to Idaho. Compare their services, reliability, and customer satisfaction ratings to choose the airline that best suits your travel preferences and needs. Over the last 7 days, Cheapflights users made 7,457,451 searches. Data last updated September 17, 2026.
| Airline | Cheapest | Average | Flexibility | On-time |
|---|---|---|---|---|
| Cheapest$174 | Average$471 | FlexibilityNo cancel fee | On-timeN/A | |
| Cheapest$237 | Average$543 | FlexibilityNo cancel fee | On-time69% | |
| Cheapest$297 | Average$564 | FlexibilityNo cancel fee | On-time71% | |
| Cheapest$337 | Average$535 | FlexibilityNo cancel fee | On-time63% |